【摘要】 随着Internet的普及,网络的安全显得尤为重要。Linux提供的基于Netfilter/iptables的防火墙,具有通用性和可扩展的特点,实现了一种性价比较高的安全方案,可以有效地阻止恶意攻击,成为很多网络管理员的选择。更多还原

【Abstract】 With the popularization of the internet,the security of network is more and more concerned.Netfilter/iptables framework firewall in Lin-ux Kernel that have the characteristic of general availability,extensible,and they implement a liable safety scheme.It can effectively prevent hostility attack,and becomes choices of many administrators of network.更多还原